<template>
  <div class="login_container">
    <div class="login_box">
       <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
       </div>
       <!-- 登录表单区域 -->
       <el-form ref="loginFormref" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
       <!-- 用户名 -->
        <el-form-item prop="username">
         <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <el-form-item prop="password">
        <!-- 密码 -->
         <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"
         type = "password"></el-input>
        </el-form-item>
        <el-form-item label="">
         <el-button type="primary" @click="login">登录</el-button>
         <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
       </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data(){
    return{
      //这是登录表的数据绑定对象
      loginForm:{
        username:'admin',
        password:'123456'
      },
      loginFormRules:{
        username:[
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
        password:[
         { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' } 
        ]
      }
    };
  },
  methods:{
    resetLoginForm(){
     // console.log(this);
     this.$refs.loginFormref.resetFields();
    },
    login(){
      this.$refs.loginFormref.validate(async valid =>{
        if(!valid) return;
       const {data:res} = await this.$https.post('login',this.loginForm);
       if(res.meta.status !==200) return this.$message.error("登录失败!");
       this.$message.success("登录成功");
       window.sessionStorage.setItem("token",res.data.token);
       this.$router.push("/home");
      });
    }
  }
};
</script>

<style lang="less"  scoped>
.login_container {
  background:#2b4b6b;
  height: 100%;
}

.login_box {
  width:450px;
  height:300px;
  background-color: #fff;
  border-radius: 3px;
  position:absolute ;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
}


.avatar_box{
  width:130px;
  height:130px;
  border: 1px solid #eee;
  border-radius:50%;
  padding: 10px;
  box-shadow:0 0 10px #ddd;
  position:absolute;
  left:50%;
  transform:translate(-50%, -50%);
  background-color:#fff;
  img{
    height:100%;
    width:100%;
    background-color:#eee;
    border-radius:50%;
  }
}


.login_form{
  position:absolute;
  bottom:0;
  width:100%;
  padding:0 20px;
  box-sizing:border-box;
}

.btns{
  display:flex;
  justify-content:flex-end;
}
 

</style>

